# Answer to Question #6831 in C++ for ledua soqonidobui

Question #6831

Write a set of detailed, step-by-step instructions in English to calculate the fewest number of dollar bills needed to pay a bill of amount TOTAL. For example, if TOTAL is $97, the bills would consist of one $50 bill, two $20 bills, one $5 bill, 2$and $1 bills. (For this exercise, assume that only $100, $50, $20, $10, $5,2$and $1 bills are available.)

b. Repeat Exercise 6a, but assume the bill is to be paid only in $1 bills.

To simplify matters, you will all work with a sum of $283.00

i would like to have a structured chart design

and pseudocode alogrithm along with the actual coding on c++

b. Repeat Exercise 6a, but assume the bill is to be paid only in $1 bills.

To simplify matters, you will all work with a sum of $283.00

i would like to have a structured chart design

and pseudocode alogrithm along with the actual coding on c++

Expert's answer

For using fewest number of dollar bills, all bills must be biggest amount.

For example, at first must be calculate maximum number of $100 dollar bill, then $50 dollar bill, till $1 dollar bill.

Algorithm:

1. Calculate maximum number of $100 bills as integer part of division total amount by bill’s amount ($100 for this case).

2. Decrease total amount by amount of $100 bills which calculated in previous step.

3. Repeat first and second steps for other bills in descending order.

Code of program:

#include <iostream>

#include <conio.h>

using namespace std;

int main(int argc, char* argv[])

{

/// Number of bills.

const int billsNumber = 7;

/// Bills amount.

int bills[billsNumber] = {100, 50, 20, 10, 5, 2, 1};

/// Input value which would split for fewest number of dollar bills.

int totalAmount;

/// Total number of bills.

int totalBillsNumber = 0;

do

{

& /// Read total amount.

& cout<<"Input the total amount: ";

& cin>>totalAmount;

& int count = 0;

& /// For each bill calculate it's max number.

& while (totalAmount > 0)

& {

& /// Calculate number of bills amount of bills[count] as a integer part of

& /// division amount to bill's amount.

& int billsNumber = totalAmount / bills[count];

& totalBillsNumber += billsNumber;

& /// Display result.

& cout<<"Number of $"<<bills[count]<<"\tbills is "<<billsNumber<<endl;

& totalAmount -= billsNumber * bills[count];

& count++;

& }

& /// Number of bills is zero for any bills with less amount.

& while(count < billsNumber)

& {

& /// Display result.

& cout<<"Number of $"<<bills[count]<<"\tbills is 0"<<endl;

& count++;

& }

& cout<<"Total number of bills is "<<totalBillsNumber<<endl;

& totalBillsNumber = 0;

& cout<<"Repeat?(y/n)"<<endl;

}/// Ask user to quit.

while(getch() == 'y');

return 0;

}

For example, at first must be calculate maximum number of $100 dollar bill, then $50 dollar bill, till $1 dollar bill.

Algorithm:

1. Calculate maximum number of $100 bills as integer part of division total amount by bill’s amount ($100 for this case).

2. Decrease total amount by amount of $100 bills which calculated in previous step.

3. Repeat first and second steps for other bills in descending order.

Code of program:

#include <iostream>

#include <conio.h>

using namespace std;

int main(int argc, char* argv[])

{

/// Number of bills.

const int billsNumber = 7;

/// Bills amount.

int bills[billsNumber] = {100, 50, 20, 10, 5, 2, 1};

/// Input value which would split for fewest number of dollar bills.

int totalAmount;

/// Total number of bills.

int totalBillsNumber = 0;

do

{

& /// Read total amount.

& cout<<"Input the total amount: ";

& cin>>totalAmount;

& int count = 0;

& /// For each bill calculate it's max number.

& while (totalAmount > 0)

& {

& /// Calculate number of bills amount of bills[count] as a integer part of

& /// division amount to bill's amount.

& int billsNumber = totalAmount / bills[count];

& totalBillsNumber += billsNumber;

& /// Display result.

& cout<<"Number of $"<<bills[count]<<"\tbills is "<<billsNumber<<endl;

& totalAmount -= billsNumber * bills[count];

& count++;

& }

& /// Number of bills is zero for any bills with less amount.

& while(count < billsNumber)

& {

& /// Display result.

& cout<<"Number of $"<<bills[count]<<"\tbills is 0"<<endl;

& count++;

& }

& cout<<"Total number of bills is "<<totalBillsNumber<<endl;

& totalBillsNumber = 0;

& cout<<"Repeat?(y/n)"<<endl;

}/// Ask user to quit.

while(getch() == 'y');

return 0;

}

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